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Posted to common-commits@hadoop.apache.org by su...@apache.org on 2018/09/12 10:24:22 UTC
[15/90] [abbrv] [partial] hadoop git commit: HADOOP-14671. Upgrade
Apache Yetus to 0.8.0
http://git-wip-us.apache.org/repos/asf/hadoop/blob/4b8c2b1c/hadoop-common-project/hadoop-common/src/site/markdown/release/1.3.0/CHANGES.1.3.0.md
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diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/release/1.3.0/CHANGES.1.3.0.md b/hadoop-common-project/hadoop-common/src/site/markdown/release/1.3.0/CHANGES.1.3.0.md
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-
-<!---
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements. See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership. The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License. You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
--->
-# Apache Hadoop Changelog
-
-## Release 1.3.0 - Unreleased (as of 2017-08-28)
-
-### INCOMPATIBLE CHANGES:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [MAPREDUCE-5777](https://issues.apache.org/jira/browse/MAPREDUCE-5777) | Support utf-8 text with BOM (byte order marker) | Major | . | bc Wong | zhihai xu |
-
-
-### IMPROVEMENTS:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [MAPREDUCE-2351](https://issues.apache.org/jira/browse/MAPREDUCE-2351) | mapred.job.tracker.history.completed.location should support an arbitrary filesystem URI | Major | . | Tom White | Tom White |
-| [HADOOP-9450](https://issues.apache.org/jira/browse/HADOOP-9450) | HADOOP\_USER\_CLASSPATH\_FIRST is not honored; CLASSPATH is PREpended instead of APpended | Major | scripts | Mitch Wyle | Harsh J |
-| [HDFS-4521](https://issues.apache.org/jira/browse/HDFS-4521) | invalid network topologies should not be cached | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HADOOP-8873](https://issues.apache.org/jira/browse/HADOOP-8873) | Port HADOOP-8175 (Add mkdir -p flag) to branch-1 | Major | . | Eli Collins | Akira Ajisaka |
-| [HDFS-4903](https://issues.apache.org/jira/browse/HDFS-4903) | Print trash configuration and trash emptier state in namenode log | Minor | namenode | Suresh Srinivas | Arpit Agarwal |
-| [MAPREDUCE-5406](https://issues.apache.org/jira/browse/MAPREDUCE-5406) | Improve logging around Task Tracker exiting with JVM manager inconsistent state | Major | tasktracker | Chelsey Chang | Chelsey Chang |
-| [MAPREDUCE-5408](https://issues.apache.org/jira/browse/MAPREDUCE-5408) | CLONE - The logging level of the tasks should be configurable by the job | Major | . | Owen O'Malley | Arun C Murthy |
-| [MAPREDUCE-5367](https://issues.apache.org/jira/browse/MAPREDUCE-5367) | Local jobs all use same local working directory | Major | . | Sandy Ryza | Sandy Ryza |
-| [HDFS-4963](https://issues.apache.org/jira/browse/HDFS-4963) | Improve multihoming support in namenode | Major | namenode | Arpit Agarwal | Arpit Agarwal |
-| [HADOOP-9855](https://issues.apache.org/jira/browse/HADOOP-9855) | Backport HADOOP-6578 to branch-1 | Major | . | James Kinley | James Kinley |
-| [HDFS-5038](https://issues.apache.org/jira/browse/HDFS-5038) | Backport several branch-2 APIs to branch-1 | Minor | . | Jing Zhao | Jing Zhao |
-| [HDFS-5367](https://issues.apache.org/jira/browse/HDFS-5367) | Restoring namenode storage locks namenode due to unnecessary fsimage write | Major | . | yunjiong zhao | yunjiong zhao |
-| [MAPREDUCE-5457](https://issues.apache.org/jira/browse/MAPREDUCE-5457) | Add a KeyOnlyTextOutputReader to enable streaming to write out text files without separators | Major | . | Sandy Ryza | Sandy Ryza |
-| [MAPREDUCE-5609](https://issues.apache.org/jira/browse/MAPREDUCE-5609) | Add debug log message when sending job end notification | Major | . | Robert Kanter | Robert Kanter |
-| [MAPREDUCE-3310](https://issues.apache.org/jira/browse/MAPREDUCE-3310) | Custom grouping comparator cannot be set for Combiners | Major | client | Mathias Herberts | Alejandro Abdelnur |
-| [MAPREDUCE-5651](https://issues.apache.org/jira/browse/MAPREDUCE-5651) | Backport Fair Scheduler queue placement policies to branch-1 | Major | scheduler | Sandy Ryza | Ted Malaska |
-| [MAPREDUCE-5712](https://issues.apache.org/jira/browse/MAPREDUCE-5712) | Backport Fair Scheduler pool placement by secondary group | Major | scheduler | Theodore michael Malaska | Theodore michael Malaska |
-| [HADOOP-10614](https://issues.apache.org/jira/browse/HADOOP-10614) | CBZip2InputStream is not threadsafe | Major | . | Xiangrui Meng | Xiangrui Meng |
-| [MAPREDUCE-6088](https://issues.apache.org/jira/browse/MAPREDUCE-6088) | TestTokenCache tests should use their own JobConf instances | Major | mrv1, test | zhihai xu | zhihai xu |
-| [HDFS-7312](https://issues.apache.org/jira/browse/HDFS-7312) | Update DistCp v1 to optionally not use tmp location (branch-1 only) | Minor | tools | Joseph Prosser | Joseph Prosser |
-
-
-### BUG FIXES:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-7140](https://issues.apache.org/jira/browse/HADOOP-7140) | IPC Reader threads do not stop when server stops | Critical | . | Todd Lipcon | Todd Lipcon |
-| [HDFS-2264](https://issues.apache.org/jira/browse/HDFS-2264) | NamenodeProtocol has the wrong value for clientPrincipal in KerberosInfo annotation | Major | namenode | Aaron T. Myers | Aaron T. Myers |
-| [MAPREDUCE-5046](https://issues.apache.org/jira/browse/MAPREDUCE-5046) | backport MAPREDUCE-1423 to mapred.lib.CombineFileInputFormat | Major | client | Sangjin Lee | |
-| [MAPREDUCE-5047](https://issues.apache.org/jira/browse/MAPREDUCE-5047) | keep.failed.task.files=true causes job failure on secure clusters | Major | task, tasktracker | Sandy Ryza | Sandy Ryza |
-| [MAPREDUCE-5070](https://issues.apache.org/jira/browse/MAPREDUCE-5070) | TestClusterStatus.testClusterMetrics fails on JDK7 | Major | test | Sandy Ryza | Sandy Ryza |
-| [MAPREDUCE-5072](https://issues.apache.org/jira/browse/MAPREDUCE-5072) | TestDelegationTokenRenewal.testDTRenewal fails in MR1 on jdk7 | Major | test | Sandy Ryza | Sandy Ryza |
-| [MAPREDUCE-5073](https://issues.apache.org/jira/browse/MAPREDUCE-5073) | TestJobStatusPersistency.testPersistency fails on JDK7 | Major | test | Sandy Ryza | Sandy Ryza |
-| [HDFS-4622](https://issues.apache.org/jira/browse/HDFS-4622) | Remove redundant synchronized from FSNamesystem#rollEditLog in branch-1 | Trivial | . | Jing Zhao | Jing Zhao |
-| [MAPREDUCE-2817](https://issues.apache.org/jira/browse/MAPREDUCE-2817) | MiniRMCluster hardcodes 'mapred.local.dir' configuration to 'build/test/mapred/local' | Minor | test | Alejandro Abdelnur | Robert Kanter |
-| [MAPREDUCE-5133](https://issues.apache.org/jira/browse/MAPREDUCE-5133) | TestSubmitJob.testSecureJobExecution is flaky due to job dir deletion race | Major | test | Sandy Ryza | Sandy Ryza |
-| [MAPREDUCE-5218](https://issues.apache.org/jira/browse/MAPREDUCE-5218) | Annotate (comment) internal classes as Private | Minor | . | Karthik Kambatla | Karthik Kambatla |
-| [MAPREDUCE-5217](https://issues.apache.org/jira/browse/MAPREDUCE-5217) | DistCp fails when launched by Oozie in a secure cluster | Major | distcp, security | Venkat Ranganathan | Venkat Ranganathan |
-| [MAPREDUCE-5095](https://issues.apache.org/jira/browse/MAPREDUCE-5095) | TestShuffleExceptionCount#testCheckException fails occasionally with JDK7 | Major | . | Arpit Agarwal | Arpit Agarwal |
-| [MAPREDUCE-5250](https://issues.apache.org/jira/browse/MAPREDUCE-5250) | Searching for ';' in JobTracker History throws ArrayOutOfBoundException | Minor | . | Karthik Kambatla | Karthik Kambatla |
-| [HDFS-4944](https://issues.apache.org/jira/browse/HDFS-4944) | WebHDFS cannot create a file path containing characters that must be URI-encoded, such as space. | Major | webhdfs | Chris Nauroth | Chris Nauroth |
-| [HADOOP-9678](https://issues.apache.org/jira/browse/HADOOP-9678) | TestRPC#testStopsAllThreads intermittently fails on Windows | Major | . | Ivan Mitic | Ivan Mitic |
-| [HADOOP-9307](https://issues.apache.org/jira/browse/HADOOP-9307) | BufferedFSInputStream.read returns wrong results after certain seeks | Major | fs | Todd Lipcon | Todd Lipcon |
-| [HDFS-5003](https://issues.apache.org/jira/browse/HDFS-5003) | TestNNThroughputBenchmark failed caused by existing directories | Minor | test | Xi Fang | Xi Fang |
-| [MAPREDUCE-5405](https://issues.apache.org/jira/browse/MAPREDUCE-5405) | Job recovery can fail if task log directory symlink from prior run still exists | Major | mrv1 | Chris Nauroth | Chris Nauroth |
-| [MAPREDUCE-5288](https://issues.apache.org/jira/browse/MAPREDUCE-5288) | ResourceEstimator#getEstimatedTotalMapOutputSize suffers from divide by zero issues | Major | mrv1 | Harsh J | Karthik Kambatla |
-| [HADOOP-9507](https://issues.apache.org/jira/browse/HADOOP-9507) | LocalFileSystem rename() is broken in some cases when destination exists | Minor | fs | Mostafa Elhemali | Chris Nauroth |
-| [MAPREDUCE-4366](https://issues.apache.org/jira/browse/MAPREDUCE-4366) | mapred metrics shows negative count of waiting maps and reduces | Major | jobtracker | Thomas Graves | Sandy Ryza |
-| [HADOOP-9768](https://issues.apache.org/jira/browse/HADOOP-9768) | chown and chgrp reject users and groups with spaces on platforms where spaces are otherwise acceptable | Major | fs | Chris Nauroth | Chris Nauroth |
-| [HADOOP-9801](https://issues.apache.org/jira/browse/HADOOP-9801) | Configuration#writeXml uses platform defaulting encoding, which may mishandle multi-byte characters. | Major | conf | Chris Nauroth | Chris Nauroth |
-| [HDFS-4898](https://issues.apache.org/jira/browse/HDFS-4898) | BlockPlacementPolicyWithNodeGroup.chooseRemoteRack() fails to properly fallback to local rack | Minor | namenode | Eric Sirianni | Tsz Wo Nicholas Sze |
-| [HDFS-5211](https://issues.apache.org/jira/browse/HDFS-5211) | Race condition between DistributedFileSystem#close and FileSystem#close can cause return of a closed DistributedFileSystem instance from the FileSystem cache. | Major | hdfs-client | Chris Nauroth | Chris Nauroth |
-| [MAPREDUCE-5508](https://issues.apache.org/jira/browse/MAPREDUCE-5508) | JobTracker memory leak caused by unreleased FileSystem objects in JobInProgress#cleanupJob | Critical | jobtracker | Xi Fang | Xi Fang |
-| [HDFS-5245](https://issues.apache.org/jira/browse/HDFS-5245) | shouldRetry() in WebHDFSFileSystem generates excessive warnings | Minor | webhdfs | Haohui Mai | Haohui Mai |
-| [HADOOP-10009](https://issues.apache.org/jira/browse/HADOOP-10009) | Backport HADOOP-7808 to branch-1 | Major | . | Haohui Mai | Haohui Mai |
-| [MAPREDUCE-5569](https://issues.apache.org/jira/browse/MAPREDUCE-5569) | FloatSplitter is not generating correct splits | Major | . | Nathan Roberts | Nathan Roberts |
-| [MAPREDUCE-5512](https://issues.apache.org/jira/browse/MAPREDUCE-5512) | TaskTracker hung after failed reconnect to the JobTracker | Major | tasktracker | Ivan Mitic | Ivan Mitic |
-| [HDFS-4794](https://issues.apache.org/jira/browse/HDFS-4794) | Browsing filesystem via webui throws kerberos exception when NN service RPC is enabled in a secure cluster | Major | security | Benoy Antony | Benoy Antony |
-| [HADOOP-10142](https://issues.apache.org/jira/browse/HADOOP-10142) | Avoid groups lookup for unprivileged users such as "dr.who" | Major | . | Vinayakumar B | Vinayakumar B |
-| [HADOOP-10090](https://issues.apache.org/jira/browse/HADOOP-10090) | Jobtracker metrics not updated properly after execution of a mapreduce job | Major | metrics | Ivan Mitic | Ivan Mitic |
-| [MAPREDUCE-5702](https://issues.apache.org/jira/browse/MAPREDUCE-5702) | TaskLogServlet#printTaskLog has spurious HTML closing tags | Trivial | task | Karthik Kambatla | Robert Kanter |
-| [MAPREDUCE-5698](https://issues.apache.org/jira/browse/MAPREDUCE-5698) | Backport MAPREDUCE-1285 to branch-1 | Major | . | Yongjun Zhang | Yongjun Zhang |
-| [HDFS-5685](https://issues.apache.org/jira/browse/HDFS-5685) | DistCp will fail to copy with -delete switch | Major | hdfs-client | Yongjun Zhang | Yongjun Zhang |
-| [MAPREDUCE-5710](https://issues.apache.org/jira/browse/MAPREDUCE-5710) | Backport MAPREDUCE-1305 to branch-1 | Major | . | Yongjun Zhang | Yongjun Zhang |
-| [HDFS-5944](https://issues.apache.org/jira/browse/HDFS-5944) | LeaseManager:findLeaseWithPrefixPath can't handle path like /a/b/ right and cause SecondaryNameNode failed do checkpoint | Major | namenode | yunjiong zhao | yunjiong zhao |
-| [HDFS-5516](https://issues.apache.org/jira/browse/HDFS-5516) | WebHDFS does not require user name when anonymous http requests are disallowed. | Major | webhdfs | Chris Nauroth | Miodrag Radulovic |
-| [MAPREDUCE-5808](https://issues.apache.org/jira/browse/MAPREDUCE-5808) | Port output replication factor configurable for terasort to Hadoop 1.x | Minor | examples | Chuan Liu | Chuan Liu |
-| [MAPREDUCE-5822](https://issues.apache.org/jira/browse/MAPREDUCE-5822) | FairScheduler does not preempt due to fairshare-starvation when fairshare is 1 | Major | scheduler | Anubhav Dhoot | Anubhav Dhoot |
-| [HDFS-6141](https://issues.apache.org/jira/browse/HDFS-6141) | WebHdfsFileSystem#toUrl does not perform character escaping. | Major | webhdfs | Chris Nauroth | Chris Nauroth |
-| [HADOOP-10562](https://issues.apache.org/jira/browse/HADOOP-10562) | Namenode exits on exception without printing stack trace in AbstractDelegationTokenSecretManager | Critical | . | Suresh Srinivas | Suresh Srinivas |
-| [MAPREDUCE-5877](https://issues.apache.org/jira/browse/MAPREDUCE-5877) | Inconsistency between JT/TT for tasks taking a long time to launch | Critical | jobtracker, tasktracker | Karthik Kambatla | Karthik Kambatla |
-| [MAPREDUCE-5979](https://issues.apache.org/jira/browse/MAPREDUCE-5979) | FairScheduler: zero weight can cause sort failures | Major | scheduler | Anubhav Dhoot | Anubhav Dhoot |
-| [MAPREDUCE-5966](https://issues.apache.org/jira/browse/MAPREDUCE-5966) | MR1 FairScheduler use of custom weight adjuster is not thread safe for comparisons | Major | scheduler | Anubhav Dhoot | Anubhav Dhoot |
-| [MAPREDUCE-5968](https://issues.apache.org/jira/browse/MAPREDUCE-5968) | Work directory is not deleted when downloadCacheObject throws IOException | Major | mrv1 | zhihai xu | zhihai xu |
-| [HDFS-6822](https://issues.apache.org/jira/browse/HDFS-6822) | In branch-1, Namenode and datanode fails to replace "\_HOST" to hostname for hadoop.http.authentication.kerberos.principal | Major | security | Jing Zhao | Jing Zhao |
-| [MAPREDUCE-6012](https://issues.apache.org/jira/browse/MAPREDUCE-6012) | DBInputSplit creates invalid ranges on Oracle | Major | . | Julien Serdaru | Wei Yan |
-| [HADOOP-11035](https://issues.apache.org/jira/browse/HADOOP-11035) | distcp on mr1(branch-1) fails with NPE using a short relative source path. | Major | tools | zhihai xu | zhihai xu |
-| [MAPREDUCE-6009](https://issues.apache.org/jira/browse/MAPREDUCE-6009) | Map-only job with new-api runs wrong OutputCommitter when cleanup scheduled in a reduce slot | Blocker | client, job submission | Gera Shegalov | Gera Shegalov |
-| [MAPREDUCE-6147](https://issues.apache.org/jira/browse/MAPREDUCE-6147) | Support mapreduce.input.fileinputformat.split.maxsize | Minor | mrv1 | zhihai xu | zhihai xu |
-| [MAPREDUCE-6170](https://issues.apache.org/jira/browse/MAPREDUCE-6170) | TestUlimit failure on JDK8 | Major | contrib/streaming | bc Wong | bc Wong |
-| [HDFS-7503](https://issues.apache.org/jira/browse/HDFS-7503) | Namenode restart after large deletions can cause slow processReport (due to logging) | Major | namenode | Arpit Agarwal | Arpit Agarwal |
-| [MAPREDUCE-6196](https://issues.apache.org/jira/browse/MAPREDUCE-6196) | Fix BigDecimal ArithmeticException in PiEstimator | Minor | . | Ray Chiang | Ray Chiang |
-| [MAPREDUCE-6198](https://issues.apache.org/jira/browse/MAPREDUCE-6198) | NPE from JobTracker#resolveAndAddToTopology in MR1 cause initJob and heartbeat failure. | Major | mrv1 | zhihai xu | zhihai xu |
-| [MAPREDUCE-5272](https://issues.apache.org/jira/browse/MAPREDUCE-5272) | A Minor Error in Javadoc of TestMRWithDistributedCache in Branch-1 | Trivial | test | Zhijie Shen | Zhijie Shen |
-| [MAPREDUCE-5556](https://issues.apache.org/jira/browse/MAPREDUCE-5556) | mapred docs have incorrect classpath | Trivial | . | Allen Wittenauer | Harsh J |
-| [MAPREDUCE-5660](https://issues.apache.org/jira/browse/MAPREDUCE-5660) | Log info about possible thrashing (when using memory-based scheduling in Capacity Scheduler) is not printed | Trivial | capacity-sched, mrv1, tasktracker | Adam Kawa | Adam Kawa |
-| [MAPREDUCE-5183](https://issues.apache.org/jira/browse/MAPREDUCE-5183) | In, TaskTracker#reportProgress logging of 0.0-1.0 progress is followed by percent sign | Minor | mrv1, tasktracker | Sandy Ryza | Niranjan Singh |
-| [HDFS-6649](https://issues.apache.org/jira/browse/HDFS-6649) | Documentation for setrep is wrong | Trivial | documentation | Alexander Fahlke | Akira Ajisaka |
-| [MAPREDUCE-6076](https://issues.apache.org/jira/browse/MAPREDUCE-6076) | Zero map split input length combine with none zero map split input length may cause MR1 job hung sometimes. | Major | mrv1 | zhihai xu | zhihai xu |
-
-
-### TESTS:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-9624](https://issues.apache.org/jira/browse/HADOOP-9624) | TestFSMainOperationsLocalFileSystem failed when the Hadoop test root path has "X" in its name | Minor | test | Xi Fang | Xi Fang |
-
-
-### SUB-TASKS:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [MAPREDUCE-4049](https://issues.apache.org/jira/browse/MAPREDUCE-4049) | plugin for generic shuffle service | Major | performance, task, tasktracker | Avner BenHanoch | Avner BenHanoch |
-| [HADOOP-9573](https://issues.apache.org/jira/browse/HADOOP-9573) | Fix test-patch script to work with the enhanced PreCommit-Admin script. | Major | build | Giridharan Kesavan | Giridharan Kesavan |
-
-
http://git-wip-us.apache.org/repos/asf/hadoop/blob/4b8c2b1c/hadoop-common-project/hadoop-common/src/site/markdown/release/2.0.0-alpha/CHANGELOG.2.0.0-alpha.md
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diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/release/2.0.0-alpha/CHANGELOG.2.0.0-alpha.md b/hadoop-common-project/hadoop-common/src/site/markdown/release/2.0.0-alpha/CHANGELOG.2.0.0-alpha.md
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@@ -0,0 +1,398 @@
+
+<!---
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+-->
+# Apache Hadoop Changelog
+
+## Release 2.0.0-alpha - 2012-05-23
+
+### INCOMPATIBLE CHANGES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HDFS-395](https://issues.apache.org/jira/browse/HDFS-395) | DFS Scalability: Incremental block reports | Major | datanode, namenode | dhruba borthakur | Tomasz Nykiel |
+| [HADOOP-7524](https://issues.apache.org/jira/browse/HADOOP-7524) | Change RPC to allow multiple protocols including multiple versions of the same protocol | Major | ipc | Sanjay Radia | Sanjay Radia |
+| [HDFS-2303](https://issues.apache.org/jira/browse/HDFS-2303) | Unbundle jsvc | Major | build, scripts | Roman Shaposhnik | Mingjie Lai |
+| [HDFS-3044](https://issues.apache.org/jira/browse/HDFS-3044) | fsck move should be non-destructive by default | Major | namenode | Eli Collins | Colin P. McCabe |
+| [HADOOP-8154](https://issues.apache.org/jira/browse/HADOOP-8154) | DNS#getIPs shouldn't silently return the local host IP for bogus interface names | Major | conf | Eli Collins | Eli Collins |
+| [HADOOP-8184](https://issues.apache.org/jira/browse/HADOOP-8184) | ProtoBuf RPC engine does not need it own reply packet - it can use the IPC layer reply packet. | Major | ipc | Sanjay Radia | Sanjay Radia |
+| [HADOOP-8149](https://issues.apache.org/jira/browse/HADOOP-8149) | cap space usage of default log4j rolling policy | Major | conf | Patrick Hunt | Patrick Hunt |
+| [HDFS-3137](https://issues.apache.org/jira/browse/HDFS-3137) | Bump LAST\_UPGRADABLE\_LAYOUT\_VERSION to -16 | Major | namenode | Eli Collins | Eli Collins |
+| [HDFS-3138](https://issues.apache.org/jira/browse/HDFS-3138) | Move DatanodeInfo#ipcPort to DatanodeID | Major | . | Eli Collins | Eli Collins |
+| [HDFS-3164](https://issues.apache.org/jira/browse/HDFS-3164) | Move DatanodeInfo#hostName to DatanodeID | Major | datanode | Eli Collins | Eli Collins |
+| [HDFS-3144](https://issues.apache.org/jira/browse/HDFS-3144) | Refactor DatanodeID#getName by use | Major | datanode | Eli Collins | Eli Collins |
+| [HADOOP-8270](https://issues.apache.org/jira/browse/HADOOP-8270) | hadoop-daemon.sh stop action should return 0 for an already stopped service | Minor | scripts | Roman Shaposhnik | Roman Shaposhnik |
+| [HADOOP-8314](https://issues.apache.org/jira/browse/HADOOP-8314) | HttpServer#hasAdminAccess should return false if authorization is enabled but user is not authenticated | Major | security | Alejandro Abdelnur | Alejandro Abdelnur |
+| [HDFS-3286](https://issues.apache.org/jira/browse/HDFS-3286) | When the threshold value for balancer is 0(zero) ,unexpected output is displayed | Major | balancer & mover | J.Andreina | Ashish Singhi |
+
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-7876](https://issues.apache.org/jira/browse/HADOOP-7876) | Allow access to BlockKey/DelegationKey encoded key for RPC over protobuf | Major | ipc | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2430](https://issues.apache.org/jira/browse/HDFS-2430) | The number of failed or low-resource volumes the NN can tolerate should be configurable | Major | namenode | Aaron T. Myers | Aaron T. Myers |
+| [HADOOP-7454](https://issues.apache.org/jira/browse/HADOOP-7454) | Common side of High Availability Framework (HDFS-1623) | Major | . | Aaron T. Myers | |
+| [HDFS-1623](https://issues.apache.org/jira/browse/HDFS-1623) | High Availability Framework for HDFS NN | Major | . | Sanjay Radia | |
+| [HDFS-2731](https://issues.apache.org/jira/browse/HDFS-2731) | HA: Autopopulate standby name dirs if they're empty | Major | ha | Aaron T. Myers | Todd Lipcon |
+| [HADOOP-8121](https://issues.apache.org/jira/browse/HADOOP-8121) | Active Directory Group Mapping Service | Major | security | Jonathan Natkins | Jonathan Natkins |
+| [HADOOP-7806](https://issues.apache.org/jira/browse/HADOOP-7806) | Support binding to sub-interfaces | Major | util | Harsh J | Harsh J |
+| [HADOOP-7030](https://issues.apache.org/jira/browse/HADOOP-7030) | Add TableMapping topology implementation to read host to rack mapping from a file | Major | . | Patrick Angeles | Tom White |
+| [HDFS-2941](https://issues.apache.org/jira/browse/HDFS-2941) | Add an administrative command to download a copy of the fsimage from the NN | Major | hdfs-client, namenode | Aaron T. Myers | Aaron T. Myers |
+| [HADOOP-8206](https://issues.apache.org/jira/browse/HADOOP-8206) | Common portion of ZK-based failover controller | Major | ha | Todd Lipcon | Todd Lipcon |
+| [HDFS-3167](https://issues.apache.org/jira/browse/HDFS-3167) | CLI-based driver for MiniDFSCluster | Minor | test | Henry Robinson | Henry Robinson |
+| [HDFS-3148](https://issues.apache.org/jira/browse/HDFS-3148) | The client should be able to use multiple local interfaces for data transfer | Major | hdfs-client, performance | Eli Collins | Eli Collins |
+| [HDFS-3000](https://issues.apache.org/jira/browse/HDFS-3000) | Add a public API for setting quotas | Major | hdfs-client | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-3102](https://issues.apache.org/jira/browse/HDFS-3102) | Add CLI tool to initialize the shared-edits dir | Major | ha, namenode | Todd Lipcon | Aaron T. Myers |
+| [HDFS-3004](https://issues.apache.org/jira/browse/HDFS-3004) | Implement Recovery Mode | Major | tools | Colin P. McCabe | Colin P. McCabe |
+| [HADOOP-8343](https://issues.apache.org/jira/browse/HADOOP-8343) | Allow configuration of authorization for JmxJsonServlet and MetricsServlet | Major | util | Philip Zeyliger | Alejandro Abdelnur |
+| [HDFS-234](https://issues.apache.org/jira/browse/HDFS-234) | Integration with BookKeeper logging system | Major | . | Luca Telloli | Ivan Kelly |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [MAPREDUCE-2887](https://issues.apache.org/jira/browse/MAPREDUCE-2887) | MR changes to match HADOOP-7524 (multiple RPC protocols) | Major | . | Sanjay Radia | Sanjay Radia |
+| [HDFS-2223](https://issues.apache.org/jira/browse/HDFS-2223) | Untangle depencencies between NN components | Major | namenode | Todd Lipcon | Todd Lipcon |
+| [MAPREDUCE-2934](https://issues.apache.org/jira/browse/MAPREDUCE-2934) | MR portion of HADOOP-7607 - Simplify the RPC proxy cleanup process | Major | mrv2 | Aaron T. Myers | Aaron T. Myers |
+| [HADOOP-7607](https://issues.apache.org/jira/browse/HADOOP-7607) | Simplify the RPC proxy cleanup process | Major | ipc | Aaron T. Myers | Aaron T. Myers |
+| [HADOOP-7635](https://issues.apache.org/jira/browse/HADOOP-7635) | RetryInvocationHandler should release underlying resources on close | Major | ipc | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-2337](https://issues.apache.org/jira/browse/HDFS-2337) | DFSClient shouldn't keep multiple RPC proxy references | Major | hdfs-client | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-2351](https://issues.apache.org/jira/browse/HDFS-2351) | Change Namenode and Datanode to register each of their protocols seperately | Major | . | Sanjay Radia | Sanjay Radia |
+| [HADOOP-7687](https://issues.apache.org/jira/browse/HADOOP-7687) | Make getProtocolSignature public | Minor | . | Sanjay Radia | Sanjay Radia |
+| [HADOOP-7716](https://issues.apache.org/jira/browse/HADOOP-7716) | RPC protocol registration on SS does not log the protocol name (only the class which may be different) | Minor | . | Sanjay Radia | Sanjay Radia |
+| [HADOOP-7717](https://issues.apache.org/jira/browse/HADOOP-7717) | Move handling of concurrent client fail-overs to RetryInvocationHandler | Major | ipc | Aaron T. Myers | Aaron T. Myers |
+| [HADOOP-7727](https://issues.apache.org/jira/browse/HADOOP-7727) | fix some typos and tabs in CHANGES.TXT | Trivial | build | Steve Loughran | Steve Loughran |
+| [HADOOP-7729](https://issues.apache.org/jira/browse/HADOOP-7729) | Send back valid HTTP response if user hits IPC port with HTTP GET | Major | ipc | Todd Lipcon | Todd Lipcon |
+| [HDFS-2188](https://issues.apache.org/jira/browse/HDFS-2188) | HDFS-1580: Make FSEditLog create its journals from a list of URIs rather than NNStorage | Major | . | Ivan Kelly | Ivan Kelly |
+| [HDFS-2496](https://issues.apache.org/jira/browse/HDFS-2496) | Separate datatypes for DatanodeProtocol | Major | . | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2564](https://issues.apache.org/jira/browse/HDFS-2564) | Cleanup unnecessary exceptions thrown and unnecessary casts | Minor | datanode, hdfs-client, namenode | Hari Mankude | Hari Mankude |
+| [HDFS-2410](https://issues.apache.org/jira/browse/HDFS-2410) | Further clean up hard-coded configuration keys | Minor | datanode, namenode, test | Suresh Srinivas | Suresh Srinivas |
+| [HADOOP-7875](https://issues.apache.org/jira/browse/HADOOP-7875) | Add helper class to unwrap RemoteException from ServiceException thrown on protobuf based RPC | Major | ipc | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-1580](https://issues.apache.org/jira/browse/HDFS-1580) | Add interface for generic Write Ahead Logging mechanisms | Major | namenode | Ivan Kelly | Jitendra Nath Pandey |
+| [HDFS-2650](https://issues.apache.org/jira/browse/HDFS-2650) | Replace @inheritDoc with @Override | Minor | . | Hari Mankude | Hari Mankude |
+| [HADOOP-7957](https://issues.apache.org/jira/browse/HADOOP-7957) | Classes deriving GetGroupsBase should be able to override proxy creation. | Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
+| [HADOOP-7987](https://issues.apache.org/jira/browse/HADOOP-7987) | Support setting the run-as user in unsecure mode | Major | security | Devaraj Das | Jitendra Nath Pandey |
+| [HDFS-2895](https://issues.apache.org/jira/browse/HDFS-2895) | Remove Writable wire protocol related code that is no longer necessary | Major | datanode, namenode | Suresh Srinivas | Suresh Srinivas |
+| [HADOOP-8070](https://issues.apache.org/jira/browse/HADOOP-8070) | Add standalone benchmark of protobuf IPC | Major | benchmarks, ipc | Todd Lipcon | Todd Lipcon |
+| [HADOOP-8084](https://issues.apache.org/jira/browse/HADOOP-8084) | Protobuf RPC engine can be optimized to not do copying for the RPC request/response | Major | ipc | Devaraj Das | Devaraj Das |
+| [HADOOP-8085](https://issues.apache.org/jira/browse/HADOOP-8085) | Add RPC metrics to ProtobufRpcEngine | Major | ipc, metrics | Suresh Srinivas | Hari Mankude |
+| [HDFS-3003](https://issues.apache.org/jira/browse/HDFS-3003) | Remove getHostPortString() from NameNode, replace it with NetUtils.getHostPortString() | Trivial | namenode | Brandon Li | Brandon Li |
+| [MAPREDUCE-3909](https://issues.apache.org/jira/browse/MAPREDUCE-3909) | javadoc the Service interfaces | Trivial | mrv2 | Steve Loughran | Steve Loughran |
+| [HADOOP-7899](https://issues.apache.org/jira/browse/HADOOP-7899) | Generate proto java files as part of the build | Major | build | Alejandro Abdelnur | Alejandro Abdelnur |
+| [HADOOP-8113](https://issues.apache.org/jira/browse/HADOOP-8113) | Correction to BUILDING.txt: HDFS needs ProtocolBuffer, too (not just MapReduce) | Trivial | documentation | Eugene Koontz | Eugene Koontz |
+| [HADOOP-7693](https://issues.apache.org/jira/browse/HADOOP-7693) | fix RPC.Server#addProtocol to work in AvroRpcEngine | Major | ipc | Doug Cutting | Doug Cutting |
+| [HADOOP-8098](https://issues.apache.org/jira/browse/HADOOP-8098) | KerberosAuthenticatorHandler should use \_HOST replacement to resolve principal name | Major | security | Alejandro Abdelnur | Alejandro Abdelnur |
+| [HADOOP-8118](https://issues.apache.org/jira/browse/HADOOP-8118) | Print the stack trace of InstanceAlreadyExistsException in trace level | Minor | metrics | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [MAPREDUCE-3885](https://issues.apache.org/jira/browse/MAPREDUCE-3885) | Apply the fix similar to HADOOP-8084 | Major | mrv2 | Devaraj Das | Devaraj Das |
+| [HDFS-3030](https://issues.apache.org/jira/browse/HDFS-3030) | Remove getProtocolVersion and getProtocolSignature from translators | Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
+| [HDFS-3021](https://issues.apache.org/jira/browse/HDFS-3021) | Use generic type to declare FSDatasetInterface | Major | datanode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-3036](https://issues.apache.org/jira/browse/HDFS-3036) | Remove unused method DFSUtil#isDefaultNamenodeAddress | Trivial | namenode | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-3014](https://issues.apache.org/jira/browse/HDFS-3014) | FSEditLogOp and its subclasses should have toString() method | Major | namenode | Sho Shimauchi | Sho Shimauchi |
+| [MAPREDUCE-3991](https://issues.apache.org/jira/browse/MAPREDUCE-3991) | Streaming FAQ has some wrong instructions about input files splitting | Trivial | documentation | Harsh J | Harsh J |
+| [HDFS-3056](https://issues.apache.org/jira/browse/HDFS-3056) | Add an interface for DataBlockScanner logging | Major | datanode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HADOOP-8183](https://issues.apache.org/jira/browse/HADOOP-8183) | Stop using "mapred.used.genericoptionsparser" to avoid unnecessary warnings | Minor | util | Harsh J | Harsh J |
+| [HDFS-3091](https://issues.apache.org/jira/browse/HDFS-3091) | Update the usage limitations of ReplaceDatanodeOnFailure policy in the config description for the smaller clusters. | Major | datanode, hdfs-client, namenode | Uma Maheswara Rao G | Tsz Wo Nicholas Sze |
+| [HDFS-309](https://issues.apache.org/jira/browse/HDFS-309) | FSEditLog should log progress during replay | Major | . | Todd Lipcon | Sho Shimauchi |
+| [HADOOP-8200](https://issues.apache.org/jira/browse/HADOOP-8200) | Remove HADOOP\_[JOBTRACKER\|TASKTRACKER]\_OPTS | Minor | conf | Eli Collins | Eli Collins |
+| [HDFS-3071](https://issues.apache.org/jira/browse/HDFS-3071) | haadmin failover command does not provide enough detail for when target NN is not ready to be active | Major | ha | Philip Zeyliger | Todd Lipcon |
+| [HADOOP-8163](https://issues.apache.org/jira/browse/HADOOP-8163) | Improve ActiveStandbyElector to provide hooks for fencing old active | Major | ha | Todd Lipcon | Todd Lipcon |
+| [HADOOP-8193](https://issues.apache.org/jira/browse/HADOOP-8193) | Refactor FailoverController/HAAdmin code to add an abstract class for "target" services | Major | ha | Todd Lipcon | Todd Lipcon |
+| [HDFS-2413](https://issues.apache.org/jira/browse/HDFS-2413) | Add public APIs for safemode | Major | hdfs-client | Todd Lipcon | Harsh J |
+| [HDFS-3158](https://issues.apache.org/jira/browse/HDFS-3158) | LiveNodes member of NameNodeMXBean should list non-DFS used space and capacity per DN | Major | namenode | Aaron T. Myers | Aaron T. Myers |
+| [MAPREDUCE-3955](https://issues.apache.org/jira/browse/MAPREDUCE-3955) | Replace ProtoOverHadoopRpcEngine with ProtobufRpcEngine. | Blocker | mrv2 | Jitendra Nath Pandey | Jitendra Nath Pandey |
+| [HDFS-3172](https://issues.apache.org/jira/browse/HDFS-3172) | dfs.upgrade.permission is dead code | Trivial | namenode | Eli Collins | Eli Collins |
+| [HDFS-3171](https://issues.apache.org/jira/browse/HDFS-3171) | The DatanodeID "name" field is overloaded | Major | datanode | Eli Collins | Eli Collins |
+| [HADOOP-8236](https://issues.apache.org/jira/browse/HADOOP-8236) | haadmin should have configurable timeouts for failover commands | Major | ha | Philip Zeyliger | Todd Lipcon |
+| [HDFS-3120](https://issues.apache.org/jira/browse/HDFS-3120) | Enable hsync and hflush by default | Major | . | Eli Collins | Eli Collins |
+| [HADOOP-8007](https://issues.apache.org/jira/browse/HADOOP-8007) | HA: use substitution token for fencing argument | Major | ha | Aaron T. Myers | Todd Lipcon |
+| [HDFS-3084](https://issues.apache.org/jira/browse/HDFS-3084) | FenceMethod.tryFence() and ShellCommandFencer should pass namenodeId as well as host:port | Major | ha | Philip Zeyliger | Todd Lipcon |
+| [MAPREDUCE-4103](https://issues.apache.org/jira/browse/MAPREDUCE-4103) | Fix HA docs for changes to shell command fencer args | Major | documentation | Todd Lipcon | Todd Lipcon |
+| [HDFS-3050](https://issues.apache.org/jira/browse/HDFS-3050) | rework OEV to share more code with the NameNode | Minor | namenode | Colin P. McCabe | Colin P. McCabe |
+| [HADOOP-8077](https://issues.apache.org/jira/browse/HADOOP-8077) | HA: fencing method should be able to be configured on a per-NN or per-NS basis | Major | ha | Todd Lipcon | Todd Lipcon |
+| [HADOOP-8086](https://issues.apache.org/jira/browse/HADOOP-8086) | KerberosName silently sets defaultRealm to "" if the Kerberos config is not found, it should log a WARN | Minor | security | Alejandro Abdelnur | Alejandro Abdelnur |
+| [HDFS-3204](https://issues.apache.org/jira/browse/HDFS-3204) | Minor modification to JournalProtocol.proto to make it generic | Major | namenode | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-3226](https://issues.apache.org/jira/browse/HDFS-3226) | Allow GetConf tool to print arbitrary keys | Major | tools | Todd Lipcon | Todd Lipcon |
+| [HDFS-3240](https://issues.apache.org/jira/browse/HDFS-3240) | Drop log level of "heartbeat: ..." in BPServiceActor to DEBUG | Trivial | datanode | Todd Lipcon | Todd Lipcon |
+| [HDFS-3238](https://issues.apache.org/jira/browse/HDFS-3238) | ServerCommand and friends don't need to be writables | Major | . | Eli Collins | Eli Collins |
+| [HDFS-3244](https://issues.apache.org/jira/browse/HDFS-3244) | Remove dead writable code from hdfs/protocol | Major | . | Eli Collins | Eli Collins |
+| [HDFS-3247](https://issues.apache.org/jira/browse/HDFS-3247) | Improve bootstrapStandby behavior when original NN is not active | Minor | ha | Todd Lipcon | Todd Lipcon |
+| [HDFS-3249](https://issues.apache.org/jira/browse/HDFS-3249) | Use ToolRunner.confirmPrompt in NameNode | Trivial | namenode | Todd Lipcon | Todd Lipcon |
+| [HDFS-3179](https://issues.apache.org/jira/browse/HDFS-3179) | Improve the error message: DataStreamer throw an exception, "nodes.length != original.length + 1" on single datanode cluster | Major | hdfs-client | Zhanwei Wang | Tsz Wo Nicholas Sze |
+| [HDFS-2983](https://issues.apache.org/jira/browse/HDFS-2983) | Relax the build version check to permit rolling upgrades within a release | Major | . | Eli Collins | Aaron T. Myers |
+| [HDFS-3259](https://issues.apache.org/jira/browse/HDFS-3259) | NameNode#initializeSharedEdits should populate shared edits dir with edit log segments | Major | ha, namenode | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-2708](https://issues.apache.org/jira/browse/HDFS-2708) | Stats for the # of blocks per DN | Minor | datanode, namenode | Eli Collins | Aaron T. Myers |
+| [HDFS-3279](https://issues.apache.org/jira/browse/HDFS-3279) | One of the FSEditLog constructors should be moved to TestEditLog | Minor | namenode | Tsz Wo Nicholas Sze | Arpit Gupta |
+| [HADOOP-8280](https://issues.apache.org/jira/browse/HADOOP-8280) | Move VersionUtil/TestVersionUtil and GenericTestUtils from HDFS into Common. | Major | test, util | Ahmed Radwan | Ahmed Radwan |
+| [HDFS-3294](https://issues.apache.org/jira/browse/HDFS-3294) | Fix indentation in NamenodeWebHdfsMethods and DatanodeWebHdfsMethods | Trivial | datanode, namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-3263](https://issues.apache.org/jira/browse/HDFS-3263) | HttpFS should read HDFS config from Hadoop site.xml files | Major | . | Alejandro Abdelnur | Alejandro Abdelnur |
+| [HADOOP-8117](https://issues.apache.org/jira/browse/HADOOP-8117) | Upgrade test build to Surefire 2.12 | Trivial | build, test | Todd Lipcon | Todd Lipcon |
+| [HDFS-3169](https://issues.apache.org/jira/browse/HDFS-3169) | TestFsck should test multiple -move operations in a row | Minor | test | Colin P. McCabe | Colin P. McCabe |
+| [HADOOP-7350](https://issues.apache.org/jira/browse/HADOOP-7350) | Use ServiceLoader to discover compression codec classes | Major | conf, io | Tom White | Tom White |
+| [MAPREDUCE-4093](https://issues.apache.org/jira/browse/MAPREDUCE-4093) | Improve RM WebApp start up when proxy address is not set | Major | mrv2 | Devaraj K | Devaraj K |
+| [HDFS-3206](https://issues.apache.org/jira/browse/HDFS-3206) | Miscellaneous xml cleanups for OEV | Minor | tools | Colin P. McCabe | Colin P. McCabe |
+| [HADOOP-8285](https://issues.apache.org/jira/browse/HADOOP-8285) | Use ProtoBuf for RpcPayLoadHeader | Major | ipc | Sanjay Radia | Sanjay Radia |
+| [HADOOP-8152](https://issues.apache.org/jira/browse/HADOOP-8152) | Expand public APIs for security library classes | Major | security | Aaron T. Myers | Aaron T. Myers |
+| [HADOOP-7549](https://issues.apache.org/jira/browse/HADOOP-7549) | Use JDK ServiceLoader mechanism to find FileSystem implementations | Major | fs | Alejandro Abdelnur | Alejandro Abdelnur |
+| [HDFS-3319](https://issues.apache.org/jira/browse/HDFS-3319) | DFSOutputStream should not start a thread in constructors | Minor | hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-3094](https://issues.apache.org/jira/browse/HDFS-3094) | add -nonInteractive and -force option to namenode -format command | Major | . | Arpit Gupta | Arpit Gupta |
+| [MAPREDUCE-4138](https://issues.apache.org/jira/browse/MAPREDUCE-4138) | Reduce memory usage of counters due to non-static nested classes | Major | . | Tom White | Tom White |
+| [MAPREDUCE-3883](https://issues.apache.org/jira/browse/MAPREDUCE-3883) | Document yarn.nodemanager.delete.debug-delay-sec configuration property | Minor | documentation, mrv2 | Eugene Koontz | Eugene Koontz |
+| [HADOOP-8185](https://issues.apache.org/jira/browse/HADOOP-8185) | Update namenode -format documentation and add -nonInteractive and -force | Major | documentation | Arpit Gupta | Arpit Gupta |
+| [HADOOP-8214](https://issues.apache.org/jira/browse/HADOOP-8214) | make hadoop script recognize a full set of deprecated commands | Major | scripts | Roman Shaposhnik | Roman Shaposhnik |
+| [MAPREDUCE-4219](https://issues.apache.org/jira/browse/MAPREDUCE-4219) | make default container-executor.conf.dir be a path relative to the container-executor binary | Major | security | Roman Shaposhnik | Roman Shaposhnik |
+| [HADOOP-8350](https://issues.apache.org/jira/browse/HADOOP-8350) | Improve NetUtils.getInputStream to return a stream which has a tunable timeout | Major | util | Todd Lipcon | Todd Lipcon |
+| [HADOOP-8356](https://issues.apache.org/jira/browse/HADOOP-8356) | FileSystem service loading mechanism should print the FileSystem impl it is failing to load | Major | fs | Alejandro Abdelnur | Alejandro Abdelnur |
+| [HDFS-3365](https://issues.apache.org/jira/browse/HDFS-3365) | Enable users to disable socket caching in DFS client configuration | Minor | hdfs-client | Todd Lipcon | Todd Lipcon |
+| [HDFS-3375](https://issues.apache.org/jira/browse/HDFS-3375) | Put client name in DataXceiver thread name for readBlock and keepalive | Trivial | datanode | Todd Lipcon | Todd Lipcon |
+| [HDFS-3378](https://issues.apache.org/jira/browse/HDFS-3378) | Remove DFS\_NAMENODE\_SECONDARY\_HTTPS\_PORT\_KEY and DEFAULT | Trivial | . | Eli Collins | Eli Collins |
+| [HADOOP-8353](https://issues.apache.org/jira/browse/HADOOP-8353) | hadoop-daemon.sh and yarn-daemon.sh can be misleading on stop | Major | scripts | Roman Shaposhnik | Roman Shaposhnik |
+| [HADOOP-8366](https://issues.apache.org/jira/browse/HADOOP-8366) | Use ProtoBuf for RpcResponseHeader | Blocker | . | Sanjay Radia | Sanjay Radia |
+| [HDFS-3418](https://issues.apache.org/jira/browse/HDFS-3418) | Rename BlockWithLocationsProto datanodeIDs field to storageIDs | Minor | . | Eli Collins | Eli Collins |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [MAPREDUCE-2942](https://issues.apache.org/jira/browse/MAPREDUCE-2942) | TestNMAuditLogger.testNMAuditLoggerWithIP failing | Critical | . | Vinod Kumar Vavilapalli | Thomas Graves |
+| [HADOOP-7669](https://issues.apache.org/jira/browse/HADOOP-7669) | Fix newly introduced release audit warning. | Minor | . | Uma Maheswara Rao G | Uma Maheswara Rao G |
+| [HADOOP-7704](https://issues.apache.org/jira/browse/HADOOP-7704) | JsonFactory can be created only once and used for every next request to create JsonGenerator inside JMXJsonServlet | Minor | . | Devaraj K | Devaraj K |
+| [HADOOP-7695](https://issues.apache.org/jira/browse/HADOOP-7695) | RPC.stopProxy can throw unintended exception while logging error | Major | ipc | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-2405](https://issues.apache.org/jira/browse/HDFS-2405) | hadoop dfs command with webhdfs fails on secure hadoop | Critical | webhdfs | Arpit Gupta | Jitendra Nath Pandey |
+| [HDFS-2497](https://issues.apache.org/jira/browse/HDFS-2497) | Fix TestBackupNode failure | Major | . | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2526](https://issues.apache.org/jira/browse/HDFS-2526) | (Client)NamenodeProtocolTranslatorR23 do not need to keep a reference to rpcProxyWithoutRetry | Major | hdfs-client, namenode | Aaron T. Myers | Aaron T. Myers |
+| [HADOOP-7833](https://issues.apache.org/jira/browse/HADOOP-7833) | Inner classes of org.apache.hadoop.ipc.protobuf.HadoopRpcProtos generates findbugs warnings which results in -1 for findbugs | Major | ipc | John Lee | John Lee |
+| [HDFS-2532](https://issues.apache.org/jira/browse/HDFS-2532) | TestDfsOverAvroRpc timing out in trunk | Critical | test | Todd Lipcon | Uma Maheswara Rao G |
+| [HDFS-2481](https://issues.apache.org/jira/browse/HDFS-2481) | Unknown protocol: org.apache.hadoop.hdfs.protocol.ClientProtocol | Major | . | Tsz Wo Nicholas Sze | Sanjay Radia |
+| [HADOOP-7888](https://issues.apache.org/jira/browse/HADOOP-7888) | TestFailoverProxy fails intermittently on trunk | Major | test | Jason Lowe | Jason Lowe |
+| [HADOOP-7897](https://issues.apache.org/jira/browse/HADOOP-7897) | ProtobufRPCEngine client side exception mechanism is not consistent with WritableRpcEngine | Major | ipc | Suresh Srinivas | Suresh Srinivas |
+| [HADOOP-7892](https://issues.apache.org/jira/browse/HADOOP-7892) | IPC logs too verbose after "RpcKind" introduction | Trivial | ipc | Todd Lipcon | Todd Lipcon |
+| [MAPREDUCE-3545](https://issues.apache.org/jira/browse/MAPREDUCE-3545) | Remove Avro RPC | Major | . | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2676](https://issues.apache.org/jira/browse/HDFS-2676) | Remove Avro RPC | Major | . | Suresh Srinivas | Suresh Srinivas |
+| [HADOOP-7931](https://issues.apache.org/jira/browse/HADOOP-7931) | o.a.h.ipc.WritableRpcEngine should have a way to force initialization | Major | ipc | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-2694](https://issues.apache.org/jira/browse/HDFS-2694) | Removal of Avro broke non-PB NN services | Major | namenode | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-2700](https://issues.apache.org/jira/browse/HDFS-2700) | TestDataNodeMultipleRegistrations is failing in trunk | Major | . | Uma Maheswara Rao G | Uma Maheswara Rao G |
+| [HDFS-2739](https://issues.apache.org/jira/browse/HDFS-2739) | SecondaryNameNode doesn't start up | Critical | . | Sho Shimauchi | Jitendra Nath Pandey |
+| [HADOOP-7920](https://issues.apache.org/jira/browse/HADOOP-7920) | Remove Avro RPC | Major | ipc | Suresh Srinivas | Suresh Srinivas |
+| [HADOOP-7968](https://issues.apache.org/jira/browse/HADOOP-7968) | Errant println left in RPC.getHighestSupportedProtocol | Minor | ipc | Todd Lipcon | Sho Shimauchi |
+| [MAPREDUCE-3740](https://issues.apache.org/jira/browse/MAPREDUCE-3740) | Mapreduce Trunk compilation fails | Blocker | mrv2 | Devaraj K | Devaraj K |
+| [HADOOP-7988](https://issues.apache.org/jira/browse/HADOOP-7988) | Upper case in hostname part of the principals doesn't work with kerberos. | Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
+| [MAPREDUCE-3818](https://issues.apache.org/jira/browse/MAPREDUCE-3818) | Trunk MRV1 compilation is broken. | Blocker | build, test | Vinod Kumar Vavilapalli | Suresh Srinivas |
+| [HDFS-2878](https://issues.apache.org/jira/browse/HDFS-2878) | TestBlockRecovery does not compile | Blocker | test | Eli Collins | Todd Lipcon |
+| [HDFS-2968](https://issues.apache.org/jira/browse/HDFS-2968) | Protocol translator for BlockRecoveryCommand broken when multiple blocks need recovery | Blocker | datanode, namenode | Todd Lipcon | Todd Lipcon |
+| [HADOOP-7940](https://issues.apache.org/jira/browse/HADOOP-7940) | method clear() in org.apache.hadoop.io.Text does not work | Major | io | Aaron, | Csaba Miklos |
+| [MAPREDUCE-3933](https://issues.apache.org/jira/browse/MAPREDUCE-3933) | Failures because MALLOC\_ARENA\_MAX is not set | Major | mrv2, test | Ahmed Radwan | Ahmed Radwan |
+| [HDFS-3020](https://issues.apache.org/jira/browse/HDFS-3020) | Auto-logSync based on edit log buffer size broken | Critical | namenode | Todd Lipcon | Todd Lipcon |
+| [HADOOP-8119](https://issues.apache.org/jira/browse/HADOOP-8119) | Fix javac warnings in TestAuthenticationFilter | Minor | test | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-3038](https://issues.apache.org/jira/browse/HDFS-3038) | Add FSEditLog.metrics to findbugs exclude list | Trivial | . | Todd Lipcon | Todd Lipcon |
+| [MAPREDUCE-3952](https://issues.apache.org/jira/browse/MAPREDUCE-3952) | In MR2, when Total input paths to process == 1, CombinefileInputFormat.getSplits() returns 0 split. | Major | mrv2 | Zhenxiao Luo | Bhallamudi Venkata Siva Kamesh |
+| [HDFS-1765](https://issues.apache.org/jira/browse/HDFS-1765) | Block Replication should respect under-replication block priority | Major | namenode | Hairong Kuang | Uma Maheswara Rao G |
+| [MAPREDUCE-3578](https://issues.apache.org/jira/browse/MAPREDUCE-3578) | starting nodemanager as 'root' gives "Unknown -jvm option" | Major | nodemanager | Gilad Wolff | Tom White |
+| [HADOOP-7900](https://issues.apache.org/jira/browse/HADOOP-7900) | LocalDirAllocator confChanged() accesses conf.get() twice | Major | fs | Ravi Gummadi | Ravi Gummadi |
+| [MAPREDUCE-3974](https://issues.apache.org/jira/browse/MAPREDUCE-3974) | TestSubmitJob in MR1 tests doesn't compile after HDFS-1623 merge | Blocker | . | Arun C Murthy | Aaron T. Myers |
+| [HADOOP-8169](https://issues.apache.org/jira/browse/HADOOP-8169) | javadoc generation fails with java.lang.OutOfMemoryError: Java heap space | Critical | build | Thomas Graves | Thomas Graves |
+| [HDFS-3057](https://issues.apache.org/jira/browse/HDFS-3057) | httpfs and hdfs launcher scripts should honor CATALINA\_HOME and HADOOP\_LIBEXEC\_DIR | Major | scripts | Roman Shaposhnik | Roman Shaposhnik |
+| [MAPREDUCE-4007](https://issues.apache.org/jira/browse/MAPREDUCE-4007) | JobClient getJob(JobID) should return NULL if the job does not exist (for backwards compatibility) | Major | mrv2 | Alejandro Abdelnur | Alejandro Abdelnur |
+| [HDFS-3093](https://issues.apache.org/jira/browse/HDFS-3093) | TestAllowFormat is trying to be interactive | Critical | . | Todd Lipcon | Todd Lipcon |
+| [HDFS-3005](https://issues.apache.org/jira/browse/HDFS-3005) | ConcurrentModificationException in FSDataset$FSVolume.getDfsUsed(..) | Major | datanode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-3099](https://issues.apache.org/jira/browse/HDFS-3099) | SecondaryNameNode does not properly initialize metrics system | Major | namenode | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-3062](https://issues.apache.org/jira/browse/HDFS-3062) | Fail to submit mapred job on a secured-HA-HDFS: logic URI cannot be picked up by job submission. | Critical | ha, security | Mingjie Lai | Mingjie Lai |
+| [MAPREDUCE-3431](https://issues.apache.org/jira/browse/MAPREDUCE-3431) | NPE in Resource Manager shutdown | Minor | resourcemanager | Steve Loughran | Steve Loughran |
+| [HADOOP-6924](https://issues.apache.org/jira/browse/HADOOP-6924) | Build fails with non-Sun JREs due to different pathing to the operating system architecture shared libraries | Major | . | Stephen Watt | Devaraj Das |
+| [HADOOP-8189](https://issues.apache.org/jira/browse/HADOOP-8189) | LdapGroupsMapping shouldn't throw away IOException | Major | security | Jonathan Natkins | Jonathan Natkins |
+| [HADOOP-6941](https://issues.apache.org/jira/browse/HADOOP-6941) | Support non-SUN JREs in UserGroupInformation | Major | . | Stephen Watt | Devaraj Das |
+| [MAPREDUCE-1740](https://issues.apache.org/jira/browse/MAPREDUCE-1740) | NPE in getMatchingLevelForNodes when node locations are variable depth | Major | jobtracker | Todd Lipcon | Ahmed Radwan |
+| [HDFS-3083](https://issues.apache.org/jira/browse/HDFS-3083) | Cannot run an MR job with HA and security enabled when second-listed NN active | Critical | ha, security | Mingjie Lai | Aaron T. Myers |
+| [HADOOP-8191](https://issues.apache.org/jira/browse/HADOOP-8191) | SshFenceByTcpPort uses netcat incorrectly | Major | ha | Philip Zeyliger | Todd Lipcon |
+| [HDFS-3100](https://issues.apache.org/jira/browse/HDFS-3100) | failed to append data | Major | datanode | Zhanwei Wang | Brandon Li |
+| [HDFS-3132](https://issues.apache.org/jira/browse/HDFS-3132) | Findbugs warning on HDFS trunk | Minor | namenode | Todd Lipcon | Todd Lipcon |
+| [HADOOP-8204](https://issues.apache.org/jira/browse/HADOOP-8204) | TestHealthMonitor fails occasionally | Major | . | Tom White | Todd Lipcon |
+| [MAPREDUCE-3353](https://issues.apache.org/jira/browse/MAPREDUCE-3353) | Need a RM-\>AM channel to inform AMs about faulty/unhealthy/lost nodes | Major | applicationmaster, mrv2, resourcemanager | Vinod Kumar Vavilapalli | Bikas Saha |
+| [MAPREDUCE-4066](https://issues.apache.org/jira/browse/MAPREDUCE-4066) | To get "yarn.app.mapreduce.am.staging-dir" value, should set the default value | Minor | job submission, mrv2 | xieguiming | xieguiming |
+| [HADOOP-8159](https://issues.apache.org/jira/browse/HADOOP-8159) | NetworkTopology: getLeaf should check for invalid topologies | Major | . | Colin P. McCabe | Colin P. McCabe |
+| [HADOOP-8202](https://issues.apache.org/jira/browse/HADOOP-8202) | stopproxy() is not closing the proxies correctly | Minor | ipc | Hari Mankude | Hari Mankude |
+| [HADOOP-8218](https://issues.apache.org/jira/browse/HADOOP-8218) | RPC.closeProxy shouldn't throw error when closing a mock | Critical | ipc, test | Todd Lipcon | Todd Lipcon |
+| [HDFS-3156](https://issues.apache.org/jira/browse/HDFS-3156) | TestDFSHAAdmin is failing post HADOOP-8202 | Major | test | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-3143](https://issues.apache.org/jira/browse/HDFS-3143) | TestGetBlocks.testGetBlocks is failing | Major | test | Eli Collins | Arpit Gupta |
+| [MAPREDUCE-3377](https://issues.apache.org/jira/browse/MAPREDUCE-3377) | Compatibility issue with 0.20.203. | Major | . | Jane Chen | Jane Chen |
+| [MAPREDUCE-4081](https://issues.apache.org/jira/browse/MAPREDUCE-4081) | TestMROutputFormat.java does not compile | Blocker | build, mrv2 | Jason Lowe | Jason Lowe |
+| [HDFS-3142](https://issues.apache.org/jira/browse/HDFS-3142) | TestHDFSCLI.testAll is failing | Blocker | test | Eli Collins | Brandon Li |
+| [MAPREDUCE-3916](https://issues.apache.org/jira/browse/MAPREDUCE-3916) | various issues with running yarn proxyserver | Critical | mrv2, resourcemanager, webapps | Roman Shaposhnik | Devaraj K |
+| [HDFS-3070](https://issues.apache.org/jira/browse/HDFS-3070) | HDFS balancer doesn't ensure that hdfs-site.xml is loaded | Major | balancer & mover | Stephen Chu | Aaron T. Myers |
+| [HADOOP-8199](https://issues.apache.org/jira/browse/HADOOP-8199) | Fix issues in start-all.sh and stop-all.sh | Major | . | Nishan Shetty | Devaraj K |
+| [HADOOP-8238](https://issues.apache.org/jira/browse/HADOOP-8238) | NetUtils#getHostNameOfIP blows up if given ip:port string w/o port | Major | . | Eli Collins | Eli Collins |
+| [MAPREDUCE-4095](https://issues.apache.org/jira/browse/MAPREDUCE-4095) | TestJobInProgress#testLocality uses a bogus topology | Major | . | Eli Collins | Colin P. McCabe |
+| [HADOOP-8243](https://issues.apache.org/jira/browse/HADOOP-8243) | Security support broken in CLI (manual) failover controller | Critical | ha, security | Todd Lipcon | Todd Lipcon |
+| [MAPREDUCE-4098](https://issues.apache.org/jira/browse/MAPREDUCE-4098) | TestMRApps testSetClasspath fails | Major | test | Alejandro Abdelnur | Alejandro Abdelnur |
+| [HDFS-3199](https://issues.apache.org/jira/browse/HDFS-3199) | TestValidateConfigurationSettings is failing | Major | . | Eli Collins | Todd Lipcon |
+| [HDFS-3202](https://issues.apache.org/jira/browse/HDFS-3202) | NamespaceInfo PB translation drops build version | Major | datanode | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-3109](https://issues.apache.org/jira/browse/HDFS-3109) | Remove hsqldb exclusions from pom.xml | Major | . | Ravi Prakash | Ravi Prakash |
+| [HDFS-3210](https://issues.apache.org/jira/browse/HDFS-3210) | JsonUtil#toJsonMap for for a DatanodeInfo should use "ipAddr" instead of "name" | Major | . | Eli Collins | Eli Collins |
+| [HDFS-3208](https://issues.apache.org/jira/browse/HDFS-3208) | Bogus entries in hosts files are incorrectly displayed in the report | Major | namenode | Eli Collins | Eli Collins |
+| [HADOOP-8251](https://issues.apache.org/jira/browse/HADOOP-8251) | SecurityUtil.fetchServiceTicket broken after HADOOP-6941 | Blocker | security | Todd Lipcon | Todd Lipcon |
+| [HDFS-3214](https://issues.apache.org/jira/browse/HDFS-3214) | InterDatanodeProtocolServerSideTranslatorPB doesn't handle null response from initReplicaRecovery | Blocker | datanode | Todd Lipcon | Todd Lipcon |
+| [HADOOP-8261](https://issues.apache.org/jira/browse/HADOOP-8261) | Har file system doesn't deal with FS URIs with a host but no port | Major | fs | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-3119](https://issues.apache.org/jira/browse/HDFS-3119) | Overreplicated block is not deleted even after the replication factor is reduced after sync follwed by closing that file | Minor | namenode | J.Andreina | Ashish Singhi |
+| [HDFS-2995](https://issues.apache.org/jira/browse/HDFS-2995) | start-dfs.sh should only start the 2NN for namenodes with dfs.namenode.secondary.http-address configured | Major | scripts | Todd Lipcon | Eli Collins |
+| [MAPREDUCE-4105](https://issues.apache.org/jira/browse/MAPREDUCE-4105) | Yarn RackResolver ignores rack configurations | Major | mrv2 | Ahmed Radwan | Ahmed Radwan |
+| [MAPREDUCE-3869](https://issues.apache.org/jira/browse/MAPREDUCE-3869) | Distributed shell application fails with NoClassDefFoundError | Blocker | mrv2 | Devaraj K | Devaraj K |
+| [HDFS-3234](https://issues.apache.org/jira/browse/HDFS-3234) | Accidentally left log message in GetConf after HDFS-3226 | Trivial | tools | Todd Lipcon | Todd Lipcon |
+| [HADOOP-8263](https://issues.apache.org/jira/browse/HADOOP-8263) | Stringification of IPC calls not useful | Minor | ipc | Todd Lipcon | Todd Lipcon |
+| [HDFS-3236](https://issues.apache.org/jira/browse/HDFS-3236) | NameNode does not initialize generic conf keys when started with -initializeSharedEditsDir | Minor | ha, namenode | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-2768](https://issues.apache.org/jira/browse/HDFS-2768) | BackupNode stop can not close proxy connections because it is not a proxy instance. | Major | namenode | Uma Maheswara Rao G | Uma Maheswara Rao G |
+| [HADOOP-8264](https://issues.apache.org/jira/browse/HADOOP-8264) | Remove irritating double double quotes in front of hostname | Trivial | . | Bernd Fondermann | Bernd Fondermann |
+| [MAPREDUCE-4057](https://issues.apache.org/jira/browse/MAPREDUCE-4057) | Compilation error in RAID | Major | contrib/raid | Tsz Wo Nicholas Sze | Devaraj K |
+| [MAPREDUCE-4076](https://issues.apache.org/jira/browse/MAPREDUCE-4076) | Stream job fails with ZipException when use yarn jar command | Blocker | mrv2 | Devaraj K | Devaraj K |
+| [HDFS-3248](https://issues.apache.org/jira/browse/HDFS-3248) | bootstrapstanby repeated twice in hdfs namenode usage message | Minor | . | Colin P. McCabe | Colin P. McCabe |
+| [HDFS-2696](https://issues.apache.org/jira/browse/HDFS-2696) | Fix the fuse-fds build | Major | build, fuse-dfs | Petru Dimulescu | Bruno Mahé |
+| [HDFS-3254](https://issues.apache.org/jira/browse/HDFS-3254) | Branch-2 build broken due to wrong version number in fuse-dfs' pom.xml | Major | fuse-dfs | Anupam Seth | Anupam Seth |
+| [HDFS-3260](https://issues.apache.org/jira/browse/HDFS-3260) | TestDatanodeRegistration should set minimum DN version in addition to minimum NN version | Major | . | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-3255](https://issues.apache.org/jira/browse/HDFS-3255) | HA DFS returns wrong token service | Critical | ha, hdfs-client | Daryn Sharp | Daryn Sharp |
+| [HDFS-3256](https://issues.apache.org/jira/browse/HDFS-3256) | HDFS considers blocks under-replicated if topology script is configured with only 1 rack | Major | . | Aaron T. Myers | Aaron T. Myers |
+| [MAPREDUCE-4147](https://issues.apache.org/jira/browse/MAPREDUCE-4147) | YARN should not have a compile-time dependency on HDFS | Major | . | Tom White | Tom White |
+| [HDFS-2799](https://issues.apache.org/jira/browse/HDFS-2799) | Trim fs.checkpoint.dir values | Major | namenode | Eli Collins | amith |
+| [HDFS-2765](https://issues.apache.org/jira/browse/HDFS-2765) | TestNameEditsConfigs is incorrectly swallowing IOE | Major | test | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-3280](https://issues.apache.org/jira/browse/HDFS-3280) | DFSOutputStream.sync should not be synchronized | Critical | hdfs-client | Todd Lipcon | Todd Lipcon |
+| [MAPREDUCE-4008](https://issues.apache.org/jira/browse/MAPREDUCE-4008) | ResourceManager throws MetricsException on start up saying QueueMetrics MBean already exists | Major | mrv2, scheduler | Devaraj K | Devaraj K |
+| [HDFS-3268](https://issues.apache.org/jira/browse/HDFS-3268) | Hdfs mishandles token service & incompatible with HA | Critical | ha, hdfs-client | Daryn Sharp | Daryn Sharp |
+| [HDFS-3284](https://issues.apache.org/jira/browse/HDFS-3284) | bootstrapStandby fails in secure cluster | Minor | ha, security | Todd Lipcon | Todd Lipcon |
+| [HADOOP-8282](https://issues.apache.org/jira/browse/HADOOP-8282) | start-all.sh refers incorrectly start-dfs.sh existence for starting start-yarn.sh | Minor | scripts | Devaraj K | Devaraj K |
+| [HDFS-891](https://issues.apache.org/jira/browse/HDFS-891) | DataNode no longer needs to check for dfs.network.script | Minor | datanode | Steve Loughran | Harsh J |
+| [MAPREDUCE-3867](https://issues.apache.org/jira/browse/MAPREDUCE-3867) | MiniMRYarn/MiniYarn uses fixed ports | Major | test | Alejandro Abdelnur | Alejandro Abdelnur |
+| [HDFS-3305](https://issues.apache.org/jira/browse/HDFS-3305) | GetImageServlet should consider SBN a valid requestor in a secure HA setup | Major | ha, namenode | Aaron T. Myers | Aaron T. Myers |
+| [HADOOP-8309](https://issues.apache.org/jira/browse/HADOOP-8309) | Pseudo & Kerberos AuthenticationHandler should use getType() to create token | Major | security | Alejandro Abdelnur | Alejandro Abdelnur |
+| [HDFS-3314](https://issues.apache.org/jira/browse/HDFS-3314) | HttpFS operation for getHomeDirectory is incorrect | Major | . | Alejandro Abdelnur | Alejandro Abdelnur |
+| [MAPREDUCE-4193](https://issues.apache.org/jira/browse/MAPREDUCE-4193) | broken doc link for yarn-default.xml in site.xml | Major | documentation | Patrick Hunt | Patrick Hunt |
+| [HADOOP-8296](https://issues.apache.org/jira/browse/HADOOP-8296) | hadoop/yarn daemonlog usage wrong | Minor | . | Thomas Graves | Devaraj K |
+| [HADOOP-8310](https://issues.apache.org/jira/browse/HADOOP-8310) | FileContext#checkPath should handle URIs with no port | Major | fs | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-3222](https://issues.apache.org/jira/browse/HDFS-3222) | DFSInputStream#openInfo should not silently get the length as 0 when locations length is zero for last partial block. | Major | hdfs-client | Uma Maheswara Rao G | Uma Maheswara Rao G |
+| [HDFS-3181](https://issues.apache.org/jira/browse/HDFS-3181) | testHardLeaseRecoveryAfterNameNodeRestart fails when length before restart is 1 byte less than CRC chunk size | Minor | test | Colin P. McCabe | Tsz Wo Nicholas Sze |
+| [HDFS-3309](https://issues.apache.org/jira/browse/HDFS-3309) | HttpFS (Hoop) chmod not supporting octal and sticky bit permissions | Major | . | Romain Rigaux | Alejandro Abdelnur |
+| [HDFS-3326](https://issues.apache.org/jira/browse/HDFS-3326) | Append enabled log message uses the wrong variable | Trivial | namenode | J.Andreina | Matthew Jacobs |
+| [MAPREDUCE-4202](https://issues.apache.org/jira/browse/MAPREDUCE-4202) | TestYarnClientProtocolProvider is broken | Major | test | Daryn Sharp | Daryn Sharp |
+| [HADOOP-8275](https://issues.apache.org/jira/browse/HADOOP-8275) | Range check DelegationKey length | Minor | . | Colin P. McCabe | Colin P. McCabe |
+| [MAPREDUCE-3173](https://issues.apache.org/jira/browse/MAPREDUCE-3173) | MRV2 UI doesn't work properly without internet | Critical | mrv2 | Devaraj K | Devaraj K |
+| [HDFS-3336](https://issues.apache.org/jira/browse/HDFS-3336) | hdfs launcher script will be better off not special casing namenode command with regards to hadoop.security.logger | Minor | scripts | Roman Shaposhnik | Roman Shaposhnik |
+| [HDFS-3351](https://issues.apache.org/jira/browse/HDFS-3351) | NameNode#initializeGenericKeys should always set fs.defaultFS regardless of whether HA or Federation is enabled | Major | namenode | Aaron T. Myers | Aaron T. Myers |
+| [HADOOP-8347](https://issues.apache.org/jira/browse/HADOOP-8347) | Hadoop Common logs misspell 'successful' | Major | security | Philip Zeyliger | Philip Zeyliger |
+| [HDFS-3332](https://issues.apache.org/jira/browse/HDFS-3332) | NullPointerException in DN when directoryscanner is trying to report bad blocks | Major | datanode | amith | amith |
+| [HDFS-3350](https://issues.apache.org/jira/browse/HDFS-3350) | findbugs warning: INodeFileUnderConstruction doesn't override INodeFile.equals(Object) | Major | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HADOOP-8355](https://issues.apache.org/jira/browse/HADOOP-8355) | SPNEGO filter throws/logs exception when authentication fails | Minor | security | Alejandro Abdelnur | Alejandro Abdelnur |
+| [MAPREDUCE-3958](https://issues.apache.org/jira/browse/MAPREDUCE-3958) | RM: Remove RMNodeState and replace it with NodeState | Major | mrv2 | Bikas Saha | Bikas Saha |
+| [HDFS-3357](https://issues.apache.org/jira/browse/HDFS-3357) | DataXceiver reads from client socket with incorrect/no timeout | Critical | datanode | Todd Lipcon | Todd Lipcon |
+| [HDFS-3303](https://issues.apache.org/jira/browse/HDFS-3303) | RemoteEditLogManifest doesn't need to implements Writable | Minor | namenode | Brandon Li | Brandon Li |
+| [HADOOP-8349](https://issues.apache.org/jira/browse/HADOOP-8349) | ViewFS doesn't work when the root of a file system is mounted | Major | viewfs | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-3376](https://issues.apache.org/jira/browse/HDFS-3376) | DFSClient fails to make connection to DN if there are many unusable cached sockets | Critical | hdfs-client | Todd Lipcon | Todd Lipcon |
+| [MAPREDUCE-4231](https://issues.apache.org/jira/browse/MAPREDUCE-4231) | Update RAID to not to use FSInodeInfo | Major | contrib/raid | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-3328](https://issues.apache.org/jira/browse/HDFS-3328) | NPE in DataNode.getIpcPort | Minor | datanode | Uma Maheswara Rao G | Eli Collins |
+| [HDFS-3396](https://issues.apache.org/jira/browse/HDFS-3396) | FUSE build fails on Ubuntu 12.04 | Minor | fuse-dfs | Colin P. McCabe | Colin P. McCabe |
+| [HDFS-3395](https://issues.apache.org/jira/browse/HDFS-3395) | NN doesn't start with HA+security enabled and HTTP address set to 0.0.0.0 | Major | namenode | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-3026](https://issues.apache.org/jira/browse/HDFS-3026) | HA: Handle failure during HA state transition | Major | ha, namenode | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-3330](https://issues.apache.org/jira/browse/HDFS-3330) | If GetImageServlet throws an Error or RTE, response has HTTP "OK" status | Critical | namenode | Todd Lipcon | Todd Lipcon |
+| [HADOOP-7827](https://issues.apache.org/jira/browse/HADOOP-7827) | jsp pages missing DOCTYPE | Trivial | . | Dave Vronay | Dave Vronay |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-8157](https://issues.apache.org/jira/browse/HADOOP-8157) | TestRPCCallBenchmark#testBenchmarkWithWritable fails with RTE | Major | . | Eli Collins | Todd Lipcon |
+| [HDFS-3129](https://issues.apache.org/jira/browse/HDFS-3129) | NetworkTopology: add test that getLeaf should check for invalid topologies | Minor | . | Colin P. McCabe | Colin P. McCabe |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HDFS-2018](https://issues.apache.org/jira/browse/HDFS-2018) | 1073: Move all journal stream management code into one place | Major | . | Ivan Kelly | Ivan Kelly |
+| [HDFS-2158](https://issues.apache.org/jira/browse/HDFS-2158) | Add JournalSet to manage the set of journals. | Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
+| [HDFS-2181](https://issues.apache.org/jira/browse/HDFS-2181) | Separate HDFS Client wire protocol data types | Major | . | Sanjay Radia | Sanjay Radia |
+| [HDFS-2459](https://issues.apache.org/jira/browse/HDFS-2459) | Separate datatypes for Journal protocol | Major | . | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2480](https://issues.apache.org/jira/browse/HDFS-2480) | Separate datatypes for NamenodeProtocol | Major | . | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2489](https://issues.apache.org/jira/browse/HDFS-2489) | Move commands Finalize and Register out of DatanodeCommand class. | Major | . | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2488](https://issues.apache.org/jira/browse/HDFS-2488) | Separate datatypes for InterDatanodeProtocol | Major | datanode | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2479](https://issues.apache.org/jira/browse/HDFS-2479) | HDFS Client Data Types in Protocol Buffers | Major | . | Sanjay Radia | Sanjay Radia |
+| [HADOOP-7773](https://issues.apache.org/jira/browse/HADOOP-7773) | Add support for protocol buffer based RPC engine | Major | ipc | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2499](https://issues.apache.org/jira/browse/HDFS-2499) | Fix RPC client creation bug from HDFS-2459 | Major | namenode | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2334](https://issues.apache.org/jira/browse/HDFS-2334) | Add Closeable to JournalManager | Major | namenode | Ivan Kelly | Ivan Kelly |
+| [HDFS-2477](https://issues.apache.org/jira/browse/HDFS-2477) | Optimize computing the diff between a block report and the namenode state. | Major | namenode | Tomasz Nykiel | Tomasz Nykiel |
+| [HADOOP-7776](https://issues.apache.org/jira/browse/HADOOP-7776) | Make the Ipc-Header in a RPC-Payload an explicit header | Major | ipc | Sanjay Radia | Sanjay Radia |
+| [HDFS-2495](https://issues.apache.org/jira/browse/HDFS-2495) | Increase granularity of write operations in ReplicationMonitor thus reducing contention for write lock | Major | namenode | Tomasz Nykiel | Tomasz Nykiel |
+| [HDFS-2476](https://issues.apache.org/jira/browse/HDFS-2476) | More CPU efficient data structure for under-replicated/over-replicated/invalidate blocks | Major | namenode | Tomasz Nykiel | Tomasz Nykiel |
+| [HDFS-2517](https://issues.apache.org/jira/browse/HDFS-2517) | Protobuf - Add protocol service for JournalProtocol | Major | namenode | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2518](https://issues.apache.org/jira/browse/HDFS-2518) | Protobuf - Add protobuf service for NamenodeProtocol | Major | namenode | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2520](https://issues.apache.org/jira/browse/HDFS-2520) | Protobuf - Add protobuf service for InterDatanodeProtocol | Major | datanode | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2519](https://issues.apache.org/jira/browse/HDFS-2519) | Protobuf - Add protobuf service for DatanodeProtocol | Major | datanode, namenode | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2581](https://issues.apache.org/jira/browse/HDFS-2581) | Implement protobuf service for JournalProtocol | Major | namenode | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2618](https://issues.apache.org/jira/browse/HDFS-2618) | Implement protobuf service for NamenodeProtocol | Major | namenode | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2629](https://issues.apache.org/jira/browse/HDFS-2629) | Implement protobuf service for InterDatanodeProtocol | Major | datanode | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2636](https://issues.apache.org/jira/browse/HDFS-2636) | Implement protobuf service for ClientDatanodeProtocol | Major | . | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2597](https://issues.apache.org/jira/browse/HDFS-2597) | ClientNameNodeProtocol in Protocol Buffers | Major | . | Sanjay Radia | Sanjay Radia |
+| [HDFS-2642](https://issues.apache.org/jira/browse/HDFS-2642) | Protobuf translators for DatanodeProtocol | Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
+| [HDFS-2647](https://issues.apache.org/jira/browse/HDFS-2647) | Enable protobuf RPC for InterDatanodeProtocol, ClientDatanodeProtocol, JournalProtocol and NamenodeProtocol | Major | balancer & mover, datanode, hdfs-client, namenode | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2651](https://issues.apache.org/jira/browse/HDFS-2651) | ClientNameNodeProtocol Translators for Protocol Buffers | Major | . | Sanjay Radia | Sanjay Radia |
+| [HADOOP-7862](https://issues.apache.org/jira/browse/HADOOP-7862) | Move the support for multiple protocols to lower layer so that Writable, PB and Avro can all use it | Major | ipc | Sanjay Radia | Sanjay Radia |
+| [HADOOP-7913](https://issues.apache.org/jira/browse/HADOOP-7913) | Fix bug in ProtoBufRpcEngine - | Major | ipc | Sanjay Radia | Sanjay Radia |
+| [HDFS-2666](https://issues.apache.org/jira/browse/HDFS-2666) | TestBackupNode fails | Major | test | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2661](https://issues.apache.org/jira/browse/HDFS-2661) | Enable protobuf RPC for DatanodeProtocol | Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
+| [HDFS-2669](https://issues.apache.org/jira/browse/HDFS-2669) | Enable protobuf rpc for ClientNamenodeProtocol | Major | . | Sanjay Radia | Sanjay Radia |
+| [HDFS-2687](https://issues.apache.org/jira/browse/HDFS-2687) | Tests are failing with ClassCastException, due to new protocol changes | Major | test | Uma Maheswara Rao G | Suresh Srinivas |
+| [HDFS-2697](https://issues.apache.org/jira/browse/HDFS-2697) | Move RefreshAuthPolicy, RefreshUserMappings, GetUserMappings protocol to protocol buffers | Major | . | Suresh Srinivas | Jitendra Nath Pandey |
+| [HADOOP-7965](https://issues.apache.org/jira/browse/HADOOP-7965) | Support for protocol version and signature in PB | Major | ipc | Jitendra Nath Pandey | Jitendra Nath Pandey |
+| [HDFS-2801](https://issues.apache.org/jira/browse/HDFS-2801) | Provide a method in client side translators to check for a methods supported in underlying protocol. | Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
+| [HDFS-2880](https://issues.apache.org/jira/browse/HDFS-2880) | Protocol buffer changes to add support multiple storages | Major | datanode, namenode | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2899](https://issues.apache.org/jira/browse/HDFS-2899) | Service protocol change to support multiple storages added in HDFS-2880 | Major | . | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2663](https://issues.apache.org/jira/browse/HDFS-2663) | Optional parameters are not handled correctly | Major | . | Suresh Srinivas | Suresh Srinivas |
+| [HADOOP-7557](https://issues.apache.org/jira/browse/HADOOP-7557) | Make IPC header be extensible | Major | . | Sanjay Radia | Sanjay Radia |
+| [HADOOP-7994](https://issues.apache.org/jira/browse/HADOOP-7994) | Remove getProtocolVersion and getProtocolSignature from the client side translator and server side implementation | Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
+| [HDFS-3082](https://issues.apache.org/jira/browse/HDFS-3082) | Clean up FSDatasetInterface | Major | datanode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-3088](https://issues.apache.org/jira/browse/HDFS-3088) | Move FSDatasetInterface inner classes to a package | Major | datanode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-3105](https://issues.apache.org/jira/browse/HDFS-3105) | Add DatanodeStorage information to block recovery | Major | datanode, hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-3086](https://issues.apache.org/jira/browse/HDFS-3086) | Change Datanode not to send storage list in registration - it will be sent in block report | Major | datanode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-3089](https://issues.apache.org/jira/browse/HDFS-3089) | Move FSDatasetInterface and other related classes/interfaces to a package | Major | datanode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-3155](https://issues.apache.org/jira/browse/HDFS-3155) | Clean up FSDataset implemenation related code. | Major | datanode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HADOOP-8211](https://issues.apache.org/jira/browse/HADOOP-8211) | Update commons-net version to 3.1 | Major | io, performance | Eli Collins | Eli Collins |
+| [HDFS-3130](https://issues.apache.org/jira/browse/HDFS-3130) | Move FSDataset implemenation to a package | Major | datanode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HADOOP-8210](https://issues.apache.org/jira/browse/HADOOP-8210) | Common side of HDFS-3148 | Major | io, performance | Eli Collins | Eli Collins |
+| [HDFS-3126](https://issues.apache.org/jira/browse/HDFS-3126) | Journal stream from the namenode to backup needs to have a timeout | Major | ha, namenode | Hari Mankude | Hari Mankude |
+| [HDFS-3187](https://issues.apache.org/jira/browse/HDFS-3187) | Upgrade guava to 11.0.2 | Minor | build | Todd Lipcon | Todd Lipcon |
+| [MAPREDUCE-4113](https://issues.apache.org/jira/browse/MAPREDUCE-4113) | Fix tests org.apache.hadoop.mapred.TestClusterMRNotification | Major | mrv2, test | Devaraj K | Devaraj K |
+| [MAPREDUCE-4112](https://issues.apache.org/jira/browse/MAPREDUCE-4112) | Fix tests org.apache.hadoop.mapred.TestClusterMapReduceTestCase | Major | mrv2, test | Devaraj K | Devaraj K |
+| [MAPREDUCE-4111](https://issues.apache.org/jira/browse/MAPREDUCE-4111) | Fix tests in org.apache.hadoop.mapred.TestJobName | Major | mrv2, test | Devaraj K | Devaraj K |
+| [MAPREDUCE-4110](https://issues.apache.org/jira/browse/MAPREDUCE-4110) | Fix tests in org.apache.hadoop.mapred.TestMiniMRClasspath & org.apache.hadoop.mapred.TestMiniMRWithDFSWithDistinctUsers | Major | mrv2, test | Devaraj K | Devaraj K |
+| [HDFS-3211](https://issues.apache.org/jira/browse/HDFS-3211) | JournalProtocol changes required for introducing epoch and fencing | Major | ha, namenode | Suresh Srinivas | Suresh Srinivas |
+| [MAPREDUCE-4108](https://issues.apache.org/jira/browse/MAPREDUCE-4108) | Fix tests in org.apache.hadoop.util.TestRunJar | Major | mrv2 | Devaraj K | Devaraj K |
+| [MAPREDUCE-4107](https://issues.apache.org/jira/browse/MAPREDUCE-4107) | Fix tests in org.apache.hadoop.ipc.TestSocketFactory | Major | mrv2 | Devaraj K | Devaraj K |
+| [HDFS-3282](https://issues.apache.org/jira/browse/HDFS-3282) | Add HdfsDataInputStream as a public API | Major | hdfs-client | Uma Maheswara Rao G | Uma Maheswara Rao G |
+| [HDFS-3298](https://issues.apache.org/jira/browse/HDFS-3298) | Add HdfsDataOutputStream as a public API | Major | hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-3322](https://issues.apache.org/jira/browse/HDFS-3322) | Update file context to use HdfsDataInputStream and HdfsDataOutputStream | Major | hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-3339](https://issues.apache.org/jira/browse/HDFS-3339) | change INode to package private | Minor | namenode | John George | John George |
+| [HDFS-3363](https://issues.apache.org/jira/browse/HDFS-3363) | blockmanagement should stop using INodeFile & INodeFileUC | Minor | namenode | John George | John George |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HDFS-860](https://issues.apache.org/jira/browse/HDFS-860) | fuse-dfs truncate behavior causes issues with scp | Minor | fuse-dfs | Brian Bockelman | Brian Bockelman |
+| [HADOOP-8142](https://issues.apache.org/jira/browse/HADOOP-8142) | Update versions from 0.23.2 to 0.23.3 | Major | build | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-3111](https://issues.apache.org/jira/browse/HDFS-3111) | Missing license headers in trunk | Trivial | . | Todd Lipcon | Uma Maheswara Rao G |
+| [HADOOP-8359](https://issues.apache.org/jira/browse/HADOOP-8359) | Clear up javadoc warnings in hadoop-common-project | Trivial | conf | Harsh J | Anupam Seth |
+
+
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